exhaust pipe: Good flexibility, resistant to high temperature, corrosion, absorb the vibration, noise, thermal expansion No.PartsMaterials1Stiffening ringSUS3042Mesh jacketSUS3043BellowsSUS304/316L/321exhaust pipe Featuresexhaust pipe is ... because of piping connection and eliminate the pipeline residual stress;3. Good flexibility, resistant to high temperature, resistant to corrosion, anti ...